BOOKQUE

Soil Survey, Sullivan County, New York
Wilber Secor , Daniel Francis Kinsman , W. E. Benson
· 1946
Soil Survey, Niagara County, New York
Carl Spencer Pearson , Wilber Secor , D. F. Kinsman , J. C. Bryant , J. E. Dalrymple , C. B. Lawrence , Herbert Hopper , A. T. Sweet
· 1947
Soil Survey, Cattaraugus County, New York
Carl Spencer Pearson , Carl Burton Beadles , Jay Clarke Bryant , Walter Jefferson Camp , Clarence Lounsbury , Wilber Secor
· 1940
Soil Survey, Dutchess County, New York
United States. Soil Conservation Service , Wilber Secor
· 1955
Soil Survey, Ulster County, New York
Arthur T. Sweet , Wilber Secor
· 1940
No image available
Soil Survey of Sullivan County, New York. By W. Secor [and Others], Etc. [With a Map.].
Wilber SECOR
· 1946
No image available
Soil Survey of Ulster County, New York
A. T.. Sweet , Wilber Secor
· 1940
No image available
Soil Survey of Dutchess County, New York
United States. Soil Conservation Service
· 1955
No image available
Soil Survey, Dutchess County, New York
Wilber Secor
· 1955
No image available
Soil Survey, Dimmit County, Texas
Arthur Eugene Shearin , Edward Henry Templin , F. K. Nunns , Howard Malcolm Smith , John Leonard Retzer , Ralph C. Cole , Wilber Secor , William Anderson Davis , William Duncan Shrader , William George Harper , Daniel Francis Kinsman , Edwin Noel Poulson , John Walter Huckabee , Robert Alexander Gardner , Stanley Vaughn Madison , I. C. Mowery , J. Clark Foulger , Leighton Francis Koehler , W. E. Benson , W. S. Colvin , Vladimir G. Shutak
· 1941